dev.libraryapi/libraryapi-mcp
LibraryAPI
US public libraries and branches near any address, with collections from the IMLS survey
alive probed 2026-10-15
6tools
1.6ktokens in Claude Opus 5.5
1.7ktokens in Claude Code
0.8 %of a 200k context window
971o200k_base estimate
2.5 sto initialize
5 msto list tools
- Run it
- uvx libraryapi-mcp==0.1.3 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- libraryapi 1.30.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 392 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/library-api/libraryapi-mcp
- Website
- https://libraryapi.dev
- Registry
- active, updated 2026-10-04 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| find_libraries_near_coordinates | 241 | 25 % |
| search_libraries | 227 | 23 % |
| find_libraries_near_address | 203 | 21 % |
| get_library | 112 | 12 % |
| get_outlet | 95 | 10 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.libraryapi/libraryapi-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.